Home / 50,442.40-75,657.44-20,856.39

Finding the Fourth Proportional to 50,442.40, 75,657.44 and 20,856.39

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Solution

The fourth proportional to 50,442.40, 75,657.44 and 20,856.39 is: 31,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,442.40 : 75,657.44 = 20,856.39 : x
  2. Step 2: Convert to fraction form
    50,442.40/75,657.44 = 20,856.39/x
  3. Step 3: Cross multiply
    50,442.40x = 75,657.44 × 20,856.39
  4. Step 4: Simplify right side
    50,442.40x = 1,577,940,843.47
  5. Step 5: Solve for x
    x = 1,577,940,843.47/50,442.40
  6. Step 6: Final answer
    x = 31,282.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.